Games like Ghost room
Games like Ghost room include Little Nightmares II, Sally Face - Episode One, Fran Bow, Little Nightmares, and Poppy Playtime. We matched them by the tags players give Ghost room on Steam (Horror, Adventure, Dark, Psychological Horror, and 3D): closest matches first, and among equally close ones the better-known games.

Little Nightmares II
Shared: Horror · Adventure · Dark

Sally Face - Episode One
Shared: Horror · Psychological Horror · Dark

Fran Bow
Shared: Psychological Horror · Horror · Adventure

Little Nightmares
Shared: Horror · Adventure · Dark

Poppy Playtime
Shared: Horror · Singleplayer · Dark

Five Nights at Freddy's
Shared: Horror · Singleplayer · Psychological Horror

Little Misfortune
Shared: Psychological Horror · Adventure · Horror

Buckshot Roulette
Shared: Dark · Horror · Singleplayer

Outlast
Shared: Horror · Psychological Horror · Singleplayer

Visage
Shared: Horror · Psychological Horror · Dark

The Cat Lady
Shared: Horror · Adventure · Psychological Horror

MiSide
Shared: Psychological Horror · Horror · Singleplayer

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

Rusty Lake Paradise
Shared: Adventure · Horror · Psychological Horror

Ready or Not
Shared: Horror · Realistic · Singleplayer

Five Nights at Freddy's 2
Shared: Horror · Singleplayer · Psychological Horror

Garten of Banban
Shared: Horror · Psychological Horror · Singleplayer

From The Darkness
Shared: Horror · Dark · Psychological Horror

DISTRAINT: Deluxe Edition
Shared: Horror · Psychological Horror · Adventure

Detention
Shared: Horror · Psychological Horror · Adventure

The Room Three
Shared: Adventure · Point & Click · Singleplayer

The Room Two
Shared: Horror · Adventure · Point & Click

Blair Witch
Shared: Horror · Adventure · Psychological Horror

Outlast 2
Shared: Horror · Psychological Horror · Dark